关于红铃虫为害损失和防治指标,确是一个重要问题。在这方面没有作专门的研究,只根据过去工作中的一些粗浅的认识,藉此把几个问题简述一下我的看法。一、第一代红铃虫治不治或怎样才治第一代红铃虫为害花、蕾,造成大量脱落,但由于棉株有过量的花蕾,能够对脱落给以补偿,因此有的地区认为可以不防治。 On pink bollworm damage and prevention and control targets, is indeed an important issue. There is no specific study in this area, but based on some superficial knowledge of past work, I will briefly summarize a few issues with my views. First, the first generation of red bollworm cure or how to rule the first generation of pink bollworm damage flowers, buds, resulting in a large number of shedding, but because cotton plants have excessive buds, shedding to be compensated, so that in some areas Can not prevent.